Granted Patent
Utility
US 6,490,554 · App. 10/112,470
Speech detecting device and speech detecting method
Inventors:
Kaori Endo, Yasuji Ota
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Mar 28, 2002
Inventors
Kaori Endo
Yasuji Ota
Assignee (at issue)
Fujitsu Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.